NPPES file of Aug 9, 2026

Zachary M. Pruhs, M.D.

Rheumatology Physician · Madison, WI

Zachary M. Pruhs, M.D. is a rheumatology physician with a practice address in Madison, Wisconsin, and NPI 1760537641, issued on Jan 24, 2007. Check the license (Wisconsin 57387-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760537641
Name
Zachary M. Pruhs
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
57387-020 WI
Self-reported in NPPES; status is on the state search
Practice location
1821 S Stoughton RD, Madison, WI 53716
Phone
(608) 260-6000
Enumerated
Jan 24, 2007
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(608) 260-6855
Medicaid ID
1760537641 WI
Medicare enrollment
Enrolled (PECOS I20121114000158); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1821 S Stoughton RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Alt, MDInternal Medicine Physician1578500872
  2. Darcey Amundson, PA-CPhysician Assistant1588691398
  3. Richard Armstrong, MDInternal Medicine Physician1689774523
  4. Wendy Arrington, O.D.Optometrist1750394334
  5. Bhawani Ballamudi, M.D.Psychiatry Physician1831148691
  6. Zachary Barber, PTPhysical Therapist1609054212

Verify Zachary M. Pruhs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 57387-020    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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57% more Medicare Part D claims than the average rheumatology physician in 2024

3,105 Medicare Part D claims for 465 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 165 claims were for opioids.

  1. Zachary Pruhs3,105
  2. Specialty average1,978

Most prescribed

  1. Methotrexate696 claims
  2. Hydroxychloroquine Sulfate553 claims
  3. Prednisone430 claims
  4. Alendronate Sodium123 claims
  5. Hydrocodone-Acetaminophen111 claims
  6. Enbrel Sureclick97 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Dean Health Systems IncSun Prairie, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rheumatology Physician providers in Wisconsin

There are 154 rheumatology physician records in Wisconsin.

All 154 in Wisconsin → Every provider in Madison →

Other rheumatology physician records in Wisconsin

  1. Safiyya Abdulkadir, MDMadison, WI1093455826
  2. Gina Adel, MDEau Claire, WI1841231727
  3. Suraiya Afroz, D.O.Manitowoc, WI1750776266
  4. John Albert, MDGlendale, WI1861428070
  5. Isabelle Amigues, MDGreen Bay, WI1588950018
  6. Barkha Amlani, M.B,B.SMadison, WI1518221928
  7. Eric Anderson, MDOconomowoc, WI1952763328
  8. Jon Arnason, MDMadison, WI1265760433
  9. Michael Avery, DOGreen Bay, WI1255568069
  10. Semi Ayub, M.DSaint Croix Falls, WI1487825071

Common questions

What is Zachary M. Pruhs, M.D.'s NPI number?

Zachary M. Pruhs, M.D.'s National Provider Identifier (NPI) is 1760537641, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Zachary M. Pruhs, M.D. located?

The NPPES record lists a practice address at 1821 S Stoughton RD, Madison, WI, 53716. Phone: (608) 260-6000. Providers update this record themselves, so call before visiting.

How can I verify Zachary M. Pruhs, M.D.'s license?

NPPES lists Wisconsin license number 57387-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zachary M. Pruhs, M.D. prescribe under Medicare Part D?

In 2024, Zachary M. Pruhs, M.D. had 3,105 Medicare Part D claims for 465 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.